GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Steering Wheel and Column Sub-System Components


Object Number: 856748  Size: LF
(1)Steering Wheel Audio Controls - Left
(2)Passlock Sensor Connector
(3)Ignition Key Alarm Switch
(4)Ignition Lock Cylinder Control Actuator
(5)Ignition Lock Cylinder Control Actuator Connector
(6)Ignition Switch
(7)Ignition Key Cylinder
(8)Steering Wheel Audio Controls - Right
(9)Horn Switch
(10)Steering Wheel Driver Information (DIC) Controls - Right
(11)C277
(12)Steering Wheel Driver Information Center (DIC) Controls - Left
(13)Turn Signal/Multifunction Switch
Figure 2:

Steering Column Harness Connectors


Object Number: 966906  Size: MF
(1)Multifunction Switch
(2)Inflatable Restraint Steering Wheel Module Coil
(3)C277 (8 Cavity)
(4)Inflatable Restraint Steering Wheel Module Connector
(5)Steering Wheel Controls Backlight Fuse
(6)C203 (2 Cavity)
(7)Fuse Block - I/P C2 (6 Cavity)
(8)C202 (52 Cavity)